Junior guard Keywhon Powns scored a game-high 17 points and senior forward Domonique Evans contributed 12 to pace Los Angeles-Westchester to a 52-35 victory against a fellow California rival, Sacramento-Sheldon, in the second quarterfinals pairing at the Allstate Sugar Bowl National Prep Classic boys basketball tournament played Saturday at the PontchartrainCenter.

Fourth-seeded Westchester used a 13-5 second-quarter run to break free from a 12-12 tie at the end of the first period and used another eight-point advantage in the fourth to complete its second victory of the tournament.

Westchester (13-4) advances to Saturday's semifinals where the Comets will play Dallas-Kimball at 2 p.m. at the PontchartrainCenter. Sixth-seeded Kimball defeated top-seeded Imhotep, 47-42, in Saturday's opening quarterfinals.

Senior forwards Ramon Eaton and Darius Nelson scored 13 and 12 points respectively for fifth-seeded Sheldon as the Huskies fell into the consolation bracket. Sheldon (9-5) will play Philadelphia-Imhotep at 11 a.m. Saturday at Rummel.